[PULL 02/22] target/riscv: Remove misa_mxl validation

["Alex Bennée" <alex.bennee@linaro.org>]

From: Akihiko Odaki <akihiko.odaki@daynix.com>

It is initialized with a simple assignment and there is little room for
error. In fact, the validation is even more complex.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20240103173349.398526-24-alex.bennee@linaro.org>
Message-Id: <20231213-riscv-v7-2-a760156a337f@daynix.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
index 14133ff6656..b85b0d036a6 100644
--- a/target/riscv/tcg/tcg-cpu.c
+++ b/target/riscv/tcg/tcg-cpu.c
@@ -268,7 +268,7 @@ static void riscv_cpu_validate_misa_priv(CPURISCVState *env, Error **errp)
     }
 }
 
-static void riscv_cpu_validate_misa_mxl(RISCVCPU *cpu, Error **errp)
+static void riscv_cpu_validate_misa_mxl(RISCVCPU *cpu)
 {
     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
     CPUClass *cc = CPU_CLASS(mcc);
@@ -288,11 +288,6 @@ static void riscv_cpu_validate_misa_mxl(RISCVCPU *cpu, Error **errp)
     default:
         g_assert_not_reached();
     }
-
-    if (env->misa_mxl_max != env->misa_mxl) {
-        error_setg(errp, "misa_mxl_max must be equal to misa_mxl");
-        return;
-    }
 }
 
 static void riscv_cpu_validate_priv_spec(RISCVCPU *cpu, Error **errp)
@@ -932,7 +927,6 @@ static bool riscv_cpu_is_vendor(Object *cpu_obj)
 static bool tcg_cpu_realize(CPUState *cs, Error **errp)
 {
     RISCVCPU *cpu = RISCV_CPU(cs);
-    Error *local_err = NULL;
 
     if (!riscv_cpu_tcg_compatible(cpu)) {
         g_autofree char *name = riscv_cpu_get_name(cpu);
@@ -941,14 +935,11 @@ static bool tcg_cpu_realize(CPUState *cs, Error **errp)
         return false;
     }
 
-    riscv_cpu_validate_misa_mxl(cpu, &local_err);
-    if (local_err != NULL) {
-        error_propagate(errp, local_err);
-        return false;
-    }
+    riscv_cpu_validate_misa_mxl(cpu);
 
 #ifndef CONFIG_USER_ONLY
     CPURISCVState *env = &cpu->env;
+    Error *local_err = NULL;
 
     CPU(cs)->tcg_cflags |= CF_PCREL;
 
-- 
2.39.2